/*
 * Copyright 2000-2014 JetBrains s.r.o.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.intellij.openapi.fileTypes;

import com.intellij.openapi.project.Project;
import com.intellij.openapi.vfs.VirtualFile;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;

import java.nio.charset.Charset;

/**
 * @author peter
 */
public class CharsetUtil {
  public static Charset extractCharsetFromFileContent(@Nullable Project project,
                                                      @Nullable VirtualFile virtualFile,
                                                      @Nullable FileType fileType,
                                                      @NotNull CharSequence text) {
    if (fileType instanceof LanguageFileType) {
      return ((LanguageFileType)fileType).extractCharsetFromFileContent(project, virtualFile, text);
    }
    return null;
  }
}